use rtl::Reference in FmFormModelImplData

instead of manual acquire/release

Change-Id: I925b45bcc2f09e09330ae8c79f3f40b81ae120ed

svx/source/form/fmmodel.cxx

@@ -37,15 +37,14 @@ using namespace svxform;
 
 struct FmFormModelImplData
 {
-    FmXUndoEnvironment*     pUndoEnv;
+    rtl::Reference<FmXUndoEnvironment>  mxUndoEnv;
     bool                bOpenInDesignIsDefaulted;
     bool                bMovingPage;
     ::boost::optional< sal_Bool >
                             aControlsUseRefDevice;
 
     FmFormModelImplData()
-        :pUndoEnv( nullptr )
-        ,bOpenInDesignIsDefaulted( true )
+        :bOpenInDesignIsDefaulted( true )
         ,bMovingPage( false )
         ,aControlsUseRefDevice()
     {
@@ -60,8 +59,7 @@ FmFormModel::FmFormModel(SfxItemPool* pPool, SfxObjectShell* pPers)
     , m_bAutoControlFocus(false)
 {
     m_pImpl.reset( new FmFormModelImplData );
-    m_pImpl->pUndoEnv = new FmXUndoEnvironment(*this);
-    m_pImpl->pUndoEnv->acquire();
+    m_pImpl->mxUndoEnv = new FmXUndoEnvironment(*this);
 }
 
 FmFormModel::FmFormModel(const OUString& rPath, SfxItemPool* pPool, SfxObjectShell* pPers)
@@ -72,8 +70,7 @@ FmFormModel::FmFormModel(const OUString& rPath, SfxItemPool* pPool, SfxObjectShe
     , m_bAutoControlFocus(false)
 {
     m_pImpl.reset( new FmFormModelImplData );
-    m_pImpl->pUndoEnv = new FmXUndoEnvironment(*this);
-    m_pImpl->pUndoEnv->acquire();
+    m_pImpl->mxUndoEnv = new FmXUndoEnvironment(*this);
 }
 
 FmFormModel::FmFormModel(const OUString& rPath, SfxItemPool* pPool, SfxObjectShell* pPers,
@@ -85,20 +82,17 @@ FmFormModel::FmFormModel(const OUString& rPath, SfxItemPool* pPool, SfxObjectShe
     , m_bAutoControlFocus(false)
 {
     m_pImpl.reset( new FmFormModelImplData );
-    m_pImpl->pUndoEnv = new FmXUndoEnvironment(*this);
-    m_pImpl->pUndoEnv->acquire();
+    m_pImpl->mxUndoEnv = new FmXUndoEnvironment(*this);
 }
 
 FmFormModel::~FmFormModel()
 {
-    if (m_pObjShell && m_pImpl->pUndoEnv->IsListening(*m_pObjShell))
+    if (m_pObjShell && m_pImpl->mxUndoEnv->IsListening(*m_pObjShell))
         SetObjectShell(nullptr);
 
     ClearUndoBuffer();
     // minimale grenze fuer undos
     SetMaxUndoActionCount(1);
-
-    m_pImpl->pUndoEnv->release();
 }
 
 SdrPage* FmFormModel::AllocPage(bool bMasterPage)
@@ -109,7 +103,7 @@ SdrPage* FmFormModel::AllocPage(bool bMasterPage)
 void FmFormModel::InsertPage(SdrPage* pPage, sal_uInt16 nPos)
 {
     // hack solange Methode intern
-    if (m_pObjShell && !m_pImpl->pUndoEnv->IsListening( *m_pObjShell ))
+    if (m_pObjShell && !m_pImpl->mxUndoEnv->IsListening( *m_pObjShell ))
         SetObjectShell(m_pObjShell);
 
     SdrModel::InsertPage( pPage, nPos );
@@ -134,7 +128,7 @@ SdrPage* FmFormModel::RemovePage(sal_uInt16 nPgNum)
     {
         Reference< XNameContainer > xForms( pToBeRemovedPage->GetForms( false ), css::uno::UNO_QUERY );
         if ( xForms.is() )
-            m_pImpl->pUndoEnv->RemoveForms( xForms );
+            m_pImpl->mxUndoEnv->RemoveForms( xForms );
     }
 
     FmFormPage* pRemovedPage = static_cast<FmFormPage*>(SdrModel::RemovePage(nPgNum));
@@ -145,7 +139,7 @@ SdrPage* FmFormModel::RemovePage(sal_uInt16 nPgNum)
 void FmFormModel::InsertMasterPage(SdrPage* pPage, sal_uInt16 nPos)
 {
     // hack solange Methode intern
-    if (m_pObjShell && !m_pImpl->pUndoEnv->IsListening( *m_pObjShell ))
+    if (m_pObjShell && !m_pImpl->mxUndoEnv->IsListening( *m_pObjShell ))
         SetObjectShell(m_pObjShell);
 
     SdrModel::InsertMasterPage(pPage, nPos);
@@ -159,7 +153,7 @@ SdrPage* FmFormModel::RemoveMasterPage(sal_uInt16 nPgNum)
     {
         Reference< XNameContainer > xForms( pPage->GetForms( false ), css::uno::UNO_QUERY );
         if ( xForms.is() )
-            m_pImpl->pUndoEnv->RemoveForms( xForms );
+            m_pImpl->mxUndoEnv->RemoveForms( xForms );
     }
 
     return pPage;
@@ -222,27 +216,27 @@ void FmFormModel::SetObjectShell( SfxObjectShell* pShell )
 
     if (m_pObjShell)
     {
-        m_pImpl->pUndoEnv->EndListening( *this );
-        m_pImpl->pUndoEnv->EndListening( *m_pObjShell );
+        m_pImpl->mxUndoEnv->EndListening( *this );
+        m_pImpl->mxUndoEnv->EndListening( *m_pObjShell );
     }
 
     m_pObjShell = pShell;
 
     if (m_pObjShell)
     {
-        m_pImpl->pUndoEnv->SetReadOnly( m_pObjShell->IsReadOnly() || m_pObjShell->IsReadOnlyUI(), FmXUndoEnvironment::Accessor() );
+        m_pImpl->mxUndoEnv->SetReadOnly( m_pObjShell->IsReadOnly() || m_pObjShell->IsReadOnlyUI(), FmXUndoEnvironment::Accessor() );
 
-        if (!m_pImpl->pUndoEnv->IsReadOnly())
-             m_pImpl->pUndoEnv->StartListening(*this);
+        if (!m_pImpl->mxUndoEnv->IsReadOnly())
+             m_pImpl->mxUndoEnv->StartListening(*this);
 
-        m_pImpl->pUndoEnv->StartListening( *m_pObjShell );
+        m_pImpl->mxUndoEnv->StartListening( *m_pObjShell );
     }
 }
 
 
 FmXUndoEnvironment& FmFormModel::GetUndoEnv()
 {
-    return *m_pImpl->pUndoEnv;
+    return *m_pImpl->mxUndoEnv;
 }
 
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